Portola Hills Weather Forecast

    • 44
    • 60

    Mostly Sunny

    • 47
    • 68

    Mostly Sunny

    • 51
    • 68

    Partly Sunny

    • 50
    • 67

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 53
    • 76

    Partly Sunny

Today 27 Apr Orange County Inland

Partly cloudy with a slight chance of Showers this Morning, then mostly sunny this afternoon. Highs 65 to 69. Areas of Winds west to 10 Mph becoming southwest with Gusts to 25 Mph this afternoon. Chance of measurable precipitation 20 percent.

Tonight 27 Apr Orange County Inland

Partly cloudy. Lows 46 to 52. Areas of Winds west 10 to 15 Mph this evening becoming light.

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Portola Hills Temperature Statistics

April Temperature

Corona Airport (13 miles)

  • Lowest 13 April, 2026

    43 °F

  • Average April

    65.1 °F

  • Highest 4 April, 2026

    91 °F

Climate (2021–Present)

Corona Airport (13 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    65.2 °F

  • Average High 2021–2026

    78.4 °F
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